EP1637655B1 - Floor saw - Google Patents
Floor saw Download PDFInfo
- Publication number
- EP1637655B1 EP1637655B1 EP05291915.6A EP05291915A EP1637655B1 EP 1637655 B1 EP1637655 B1 EP 1637655B1 EP 05291915 A EP05291915 A EP 05291915A EP 1637655 B1 EP1637655 B1 EP 1637655B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- chassis
- sawing
- saw
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002689 soil Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- KJFBVJALEQWJBS-XUXIUFHCSA-N maribavir Chemical compound CC(C)NC1=NC2=CC(Cl)=C(Cl)C=C2N1[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1O KJFBVJALEQWJBS-XUXIUFHCSA-N 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0906—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
- E01C23/0933—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut
Definitions
- the present invention relates to a floor saw provided for cutting floor coverings such as bitumen, concrete, etc. covering a floor.
- a floor saw will be described in the operating position, that is to say in a position in which the saw blade that it contains is in the cutting direction and in front of the other components of the floor saw.
- Such a floor saw is, for example, that described in the patent document US20030168054 . It has three frames. On a first frame are mounted load wheels designed to rest on the ground. On a second frame is mounted a saw blade set in motion by a motor. This second frame is also attached to the first frame. On a third frame are mounted balancing wheels provided to rest on the ground. This third frame is rotatably mounted about a first axis at the rear of the first frame.
- a cam is mounted within the first frame between a sliding shaft mounted at the rear of the third frame and the top end of the first frame. This cam is intended to act on the pivoting of the third frame around the first axis and thus on the inclination of the second frame. This cam is controlled by a steering wheel mounted on the first frame. This flywheel acts on the cam via a threaded rod provided with a nut integral with the cam.
- the rotation of the steering wheel thus allows the cam to act on the third frame which, by pivoting from a position inclined to a horizontal position, allows the second frame to move between a waiting position in which the saw blade is raised from the ground and a sawing position where the saw blade is in the ground.
- the object of the invention is therefore to provide a floor saw not having such a disadvantage.
- the present invention relates to a floor saw comprising a first frame mounted on carrying wheels, a second frame carrying a saw blade and rotatably mounted on the first frame about a pivot axis, and a third frame fixed at one end to said first frame and mounted on balance wheels, and a cam controlled from the first frame, said cam being mounted between said first frame and said second frame and provided to allow pivoting of the second frame about said pivot axis between a waiting position where the saw blade is raised and a sawing position where the saw blade is in the ground.
- the floor saw according to the invention is characterized in that it further comprises a jack installed between the first frame and the cam, said jack being provided to relax from a compressed position to take a decompressed position when pivoting the second frame between the sawing position and the position of waiting to facilitate this pivoting.
- a floor saw 1 according to the figures comprises a first frame 10 mounted on two carrying wheels 11 resting on the ground 2, a second frame 20 fixed approximately at right angles by one end on the first frame 10 and a third frame 30 rotatably mounted. on the first frame 10 about a pivot axis 31.
- the second frame 20 has at one end opposite the end fixed on the first frame 10 a sawing disc 21 rotated by a motor (not shown) also fixed to the second frame 20.
- the third frame 30 has at one end facing the front of the saw 1 according to the invention a pair of balancing wheels 32.
- a cam 12 is mounted inside the first frame 10 between a sliding pin 120 mounted at one end of the third frame 30 located opposite the end bearing the balancing wheels 32 and the upper end of the first 10.
- This cam 12 is provided to act via the sliding pin 120 on the pivoting of the third frame 30 about its pivot axis 31 and thus on the inclination of the second frame 20.
- This cam 12 is controlled by a control means such as a wheel 13 mounted on the first frame 10.
- This flywheel 13 acts on the cam 12 via a threaded rod 16 provided with a nut 15 integral with the cam 12.
- Handles 14 are also provided on the first frame 10 to allow a user of the floor saw 1 according to the invention to push the floor saw 1 to advance along the path on the ground sawing.
- the rotation of the flywheel 13 thus allows the cam 12 to act on the third frame 30, which, from an inclined position to a horizontal position, allows the second frame 20 to move from a waiting position in which the sawing disc 21 is raised with respect to the ground 2 at a sawing position in which the sawing disc 21 is in the ground 2.
- the following operations are performed.
- the flywheel 13 is rotated so as to lower the nut 15 along the threaded rod 16 and thus to lower the cam 12.
- the lowering of the cam 12 makes it possible to pivot the third frame 30 horizontally to bring the sawing disc 21 to tangentially soil 2 and then to penetrate in soil 2 to the chosen depth. Then, the user of the floor saw 1 pushes on the handles 14 to perform the sawing along a predetermined line.
- the floor saw is returned to the waiting position in the following manner.
- the sawing disk 21 is moved back into the footprint that it has made in the ground 2.
- the flywheel 13 is rotated so that the nut 15 present on the threaded rod 16 rises and drives up the cam 12.
- the balancing wheels of the third frame 30 rests on the ground as the third frame 30 pivots.
- the second frame 20 rises and the sawing disc 21 leaves the ground 2.
- the cam directly acts on the second frame 20 which can move between a standby position and a sawing position by pivoting about an axis provided for this purpose.
- the third frame is fixed to the first frame.
- the floor saw 1 further comprises a jack 17 fixed, on the one hand, in the lower part of the first frame 10 and on the other hand, to the cam 12 by means of a fixed plate 18
- This jack 17 is provided to facilitate the raising of the sawing disc 21 during the passage of the sawing position to the waiting position.
- the cam 12 which goes up is helped in its movement by the cylinder 17 which relaxes.
- the cylinder relieves the user whose only force of the arm on the wheel must be sufficient to reassemble and reposition the second frame in the waiting position.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sawing (AREA)
Description
La présente invention concerne une scie de sol prévue pour le découpage des revêtements de sols tels que du bitume, du béton, etc. recouvrant un sol.The present invention relates to a floor saw provided for cutting floor coverings such as bitumen, concrete, etc. covering a floor.
Dans la description qui va suivre, une scie de sol sera décrite en position de fonctionnement c'est-à-dire dans une position dans laquelle le disque de sciage qu'elle comporte se trouve dans le sens de la découpe et en avant des autres éléments constitutifs de la scie de sol.In the following description, a floor saw will be described in the operating position, that is to say in a position in which the saw blade that it contains is in the cutting direction and in front of the other components of the floor saw.
Un exemple d'une telle scie de sol est par exemple celle qui est décrite dans le document de brevet
Une came est montée à l'intérieur du premier châssis entre un axe coulissant monté à l'arrière du troisième châssis et l'extrémité haute du premier châssis. Cette came est prévue pour agir sur le pivotement du troisième châssis autour du premier axe et de ce fait sur l'inclinaison du second châssis. Cette came est commandée par un volant monté sur le premier châssis. Ce volant agit sur la came par l'intermédiaire d'une tige filetée munie d'un écrou solidaire de la came.A cam is mounted within the first frame between a sliding shaft mounted at the rear of the third frame and the top end of the first frame. This cam is intended to act on the pivoting of the third frame around the first axis and thus on the inclination of the second frame. This cam is controlled by a steering wheel mounted on the first frame. This flywheel acts on the cam via a threaded rod provided with a nut integral with the cam.
La rotation du volant permet donc à la came d'agir sur le troisième châssis qui, en pivotant d'une position inclinée à une position horizontale, permet au second châssis de se déplacer entre une position d'attente dans laquelle le disque de sciage est relevé par rapport au sol et une position de sciage où le disque de sciage est dans le sol.The rotation of the steering wheel thus allows the cam to act on the third frame which, by pivoting from a position inclined to a horizontal position, allows the second frame to move between a waiting position in which the saw blade is raised from the ground and a sawing position where the saw blade is in the ground.
Ainsi, lorsque l'on souhaite faire fonctionner la scie de sol, il suffit de la positionner selon le tracé à suivre, de tourner le volant afin de faire passer le second châssis de sa position d'attente à sa position de sciage et de pousser sur des poignées que comporte la scie de sol pour faire avancer le disque de sciage dans le sol.Thus, when it is desired to operate the floor saw, simply position it according to the pattern to follow, to turn the wheel to move the second frame from its standby position to its sawing position and push on handles provided by the floor saw to advance the saw blade into the ground.
En revanche, lorsque l'on souhaite mettre fin au fonctionnement de la scie de sol, les opérations deviennent plus difficiles. En effet, après avoir reculé le disque de sciage dans la trace de sciage réalisée, il faut la remonter. Or, l'effort nécessaire à la remontée du disque de sciage est très important étant donné le poids du disque de sciage et du moteur habituellement placé derrière le disque de sciage sur le second châssis, et le bras de levier qui est relativement petit.On the other hand, when one wishes to stop the operation of the saw, the operations become more difficult. Indeed, after moving the sawing disc back into the sawing track, it must be reassembled. However, the effort required to raise the saw blade is very important given the weight of the saw blade and the motor usually placed behind the saw blade on the second frame, and the lever arm which is relatively small.
De manière courante, c'est donc en faisant tourner le volant avec difficulté à la force du bras que le second châssis est remonté progressivement.Commonly, it is therefore turning the wheel with difficulty with the strength of the arm that the second frame is gradually raised.
Le but de l'invention est donc de proposer une scie de sol n'ayant pas un tel inconvénient.The object of the invention is therefore to provide a floor saw not having such a disadvantage.
A cet effet, la présente invention concerne une scie de sol comprenant un premier châssis monté sur des roues porteuses, un second châssis porteur d'un disque de sciage et monté à rotation sur le premier châssis autour d'un axe de pivotement, et un troisième châssis fixé par une extrémité sur ledit premier châssis et monté sur des roues d'équilibrage, ainsi qu'une came commandée à partir du premier châssis, ladite came étant montée entre ledit premier châssis et ledit second châssis et prévue pour permettre le pivotement du second châssis autour dudit axe de pivotement entre une position d'attente où le disque de sciage est relevé et une position de sciage où le disque de sciage est dans le sol. La scie de sol selon l'invention, se caractérise en ce qu'elle comporte en outre un vérin installé entre le premier châssis et la came, ledit vérin étant prévu pour se détendre d'une position compressée pour prendre une position décompressée lors du pivotement du second châssis entre la position de sciage et la position d'attente de manière à faciliter ce pivotement.For this purpose, the present invention relates to a floor saw comprising a first frame mounted on carrying wheels, a second frame carrying a saw blade and rotatably mounted on the first frame about a pivot axis, and a third frame fixed at one end to said first frame and mounted on balance wheels, and a cam controlled from the first frame, said cam being mounted between said first frame and said second frame and provided to allow pivoting of the second frame about said pivot axis between a waiting position where the saw blade is raised and a sawing position where the saw blade is in the ground. The floor saw according to the invention is characterized in that it further comprises a jack installed between the first frame and the cam, said jack being provided to relax from a compressed position to take a decompressed position when pivoting the second frame between the sawing position and the position of waiting to facilitate this pivoting.
Les caractéristiques de l'invention mentionnées ci-dessus, ainsi que d'autres, apparaîtront plus clairement à la lecture de la description suivante d'un exemple de réalisation, ladite description étant faite en relation avec les dessins joints, parmi lesquels :
- la
Fig. 1 représente une vue en coupe longitudinale d'une scie de sol en position d'attente ; et - la
Fig. 2 représente une vue en coupe longitudinale d'une scie de sol en position de sciage.
- the
Fig. 1 is a longitudinal sectional view of a floor saw in the standby position; and - the
Fig. 2 is a longitudinal sectional view of a floor saw in the sawing position.
Une scie de sol 1 selon les figures comporte un premier châssis 10 monté sur deux roues porteuses 11 reposant sur le sol 2, un second châssis 20 fixé approximativement à angle droit par une extrémité sur le premier châssis 10 et un troisième châssis 30 monté à rotation sur le premier châssis 10 autour d'un axe de pivotement 31.A floor saw 1 according to the figures comprises a
Le second châssis 20 comporte à une extrémité opposée à l'extrémité fixée sur le premier châssis 10 un disque de sciage 21 entraîné en rotation par un moteur (non représenté) également fixé sur le second châssis 20.The
Le troisième châssis 30 comporte à une extrémité orientée vers l'avant de la scie 1 selon l'invention une paire de roues d'équilibrage 32.The
Une came 12 est montée à l'intérieur du premier châssis 10 entre un axe coulissant 120 monté à une extrémité du troisième châssis 30 se trouvant à l'opposé de l'extrémité portant les roues d'équilibrage 32 et l'extrémité haute du premier châssis 10. Cette came 12 est prévue pour agir par l'intermédiaire de l'axe coulissant 120 sur le pivotement du troisième châssis 30 autour de son axe de pivotement 31 et de ce fait sur l'inclinaison du second châssis 20. Cette came 12 est commandée par un moyen de commande tel qu'un volant 13 monté sur le premier châssis 10. Ce volant 13 agit sur la came 12 par l'intermédiaire d'une tige filetée 16 munie d'un écrou 15 solidaire de la came 12. Des poignées 14 sont par ailleurs prévues sur le premier châssis 10 pour permettre à un utilisateur de la scie de sol 1 selon l'invention de pousser sur la scie de sol 1 pour la faire avancer le long du tracé sur le sol à scier.A
La rotation du volant 13 permet donc à la came 12 d'agir sur le troisième châssis 30, qui en passant d'une position inclinée à une position horizontale, permet au second châssis 20 de se déplacer d'une position d'attente dans laquelle le disque de sciage 21 est relevé par rapport au sol 2 à une position de sciage dans laquelle le disque de sciage 21 est dans le sol 2.The rotation of the
Ainsi, pour passer de la position d'attente de la scie de sol 1 représentée à la
Lorsque le sciage du sol 2 est terminé, la scie de sol est remise en position d'attente de la manière suivante. Le disque de sciage 21 est reculé dans l'empreinte qu'il a faite dans le sol 2. Le volant 13 est entraîné en rotation de manière à ce que l'écrou 15 présent sur la tige filetée 16 remonte et entraîne vers le haut la came 12. Les roues d'équilibrage du troisième châssis 30 reprennent appui sur le sol au fur et à mesure que le troisième châssis 30 pivote. Le second châssis 20 remonte et le disque de sciage 21 sort du sol 2.When the sawing of the
Selon l'invention non représentée, la came agit cependant directement sur le second châssis 20 qui peut se déplacer entre une position d'attente et une position de sciage par pivotement autour d'un axe prévu à cet effet. Selon l'invention, le troisième châssis est fixé au premier châssis.According to the invention not shown, the cam however directly acts on the
Selon l'invention, la scie de sol 1 comporte en outre un vérin 17 fixé, d'une part, en partie basse du premier châssis 10 et d'autre part, à la came 12 par l'intermédiaire d'une plaque fixe 18. Ce vérin 17 est prévu pour faciliter la remontée du disque de sciage 21 lors du passage de la position de sciage à la position d'attente.According to the invention, the floor saw 1 further comprises a
La came 12 qui remonte est aidée dans son mouvement par le vérin 17 qui se détend.The
Le vérin soulage l'utilisateur dont la seule force du bras sur le volant doit suffire à remonter et à repositionner le second châssis en position d'attente.The cylinder relieves the user whose only force of the arm on the wheel must be sufficient to reassemble and reposition the second frame in the waiting position.
A titre d'exemple, on a pu mesurer qu'en l'absence de vérin, la force à exercer pour remonter le disque de sciage et le moteur jusqu'à la position d'attente était d'environ 50 N. En présence du vérin 17, la force à exercer pour réaliser cette action n'est plus que d'environ 15 N.By way of example, it has been possible to measure that, in the absence of a jack, the force to be exerted to raise the saw blade and the motor to the standby position was about 50 N. In the presence of
Claims (1)
- A road saw comprising a first chassis (10) mounted on carrier wheels (11), a second chassis (20) carrying a sawing disk blade (21) and rotatably mounted on the first chassis (10) around a pivoting axis, and a third chassis (30) secured by one end on said first chassis (10) and mounted on balancing wheels (32), as well as a cam element (12) controlled from the first chassis (10), said cam element (12) being mounted between said first chassis (10) and said second chassis (20) and provided in order to allow the pivoting of the second chassis (20) around said pivoting axis between a waiting position where the sawing disk blade (21) is lifted and a sawing position where the sawing disk blade (21) is in the ground characterized in that it further includes a jack (17) installed between the first chassis (10) and the cam element (12), said jack (17) being provided to expand from a compressed position in order to take a decompressed position during the pivoting of the second chassis (20) between the sawing position and the waiting position in such a manner as to facilitate this pivoting.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0409880A FR2875518B1 (en) | 2004-09-17 | 2004-09-17 | GROUND SAW |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1637655A2 EP1637655A2 (en) | 2006-03-22 |
EP1637655A3 EP1637655A3 (en) | 2006-10-04 |
EP1637655B1 true EP1637655B1 (en) | 2015-10-28 |
Family
ID=34949875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05291915.6A Active EP1637655B1 (en) | 2004-09-17 | 2005-09-15 | Floor saw |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1637655B1 (en) |
FR (1) | FR2875518B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870520A1 (en) * | 2006-06-20 | 2007-12-26 | Husqvarna Belgium S.A. | Ground working machine |
AU2007202135B1 (en) * | 2007-05-14 | 2008-09-04 | Charlie Silk | Earth Saw |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030168054A1 (en) * | 2000-02-18 | 2003-09-11 | Mk Diamond Products, Inc. | Portable concrete saw |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU83812A1 (en) * | 1981-12-03 | 1983-09-01 | Norton Sa | DEVICE FOR ADJUSTING THE DEPTH OF CUT OF A FLOOR SAW |
US4953523A (en) * | 1989-10-16 | 1990-09-04 | Equipment Development Company, Inc. | Quick release mechanism for the tool of a concrete/asphalt abrader |
US6536422B1 (en) * | 2000-08-25 | 2003-03-25 | Edward A. Zuzelo | Saw for cutting green concrete |
-
2004
- 2004-09-17 FR FR0409880A patent/FR2875518B1/en not_active Expired - Fee Related
-
2005
- 2005-09-15 EP EP05291915.6A patent/EP1637655B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030168054A1 (en) * | 2000-02-18 | 2003-09-11 | Mk Diamond Products, Inc. | Portable concrete saw |
Also Published As
Publication number | Publication date |
---|---|
EP1637655A3 (en) | 2006-10-04 |
FR2875518B1 (en) | 2007-03-23 |
EP1637655A2 (en) | 2006-03-22 |
FR2875518A1 (en) | 2006-03-24 |
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